| Country | Organist | Composer | Composer & Organist | Organ Builder | Other | Total |
|---|---|---|---|---|---|---|
| Algeria | 1 | 2 | 0 | 0 | 0 | 3 |
| Argentina | 1 | 16 | 1 | 0 | 1 | 19 |
| Armenia | 1 | 1 | 0 | 0 | 0 | 2 |
| Australia | 16 | 55 | 17 | 0 | 3 | 91 |
| Austria | 8 | 150 | 46 | 4 | 3 | 211 |
| Azerbaijan | 0 | 3 | 0 | 0 | 0 | 3 |
| Belgium | 17 | 150 | 48 | 2 | 6 | 223 |
| Bermuda | 1 | 1 | 0 | 0 | 0 | 2 |
| Bohemia | 11 | 36 | 23 | 1 | 3 | 74 |
| Brazil | 0 | 22 | 3 | 0 | 1 | 26 |
| British Guiana | 1 | 0 | 0 | 0 | 0 | 1 |
| Bulgaria | 0 | 7 | 0 | 0 | 0 | 7 |
| Burgundy | 0 | 1 | 1 | 0 | 0 | 2 |
| Canada | 11 | 124 | 37 | 0 | 2 | 174 |
| Catalan | 0 | 1 | 0 | 0 | 0 | 1 |
| Ceylon | 1 | 1 | 0 | 0 | 0 | 2 |
| Chile | 1 | 4 | 0 | 0 | 0 | 5 |
| China | 0 | 4 | 0 | 0 | 0 | 4 |
| Columbia | 0 | 5 | 0 | 0 | 0 | 5 |
| Corsica | 0 | 0 | 1 | 0 | 0 | 1 |
| Costa Rica | 0 | 1 | 0 | 0 | 0 | 1 |
| Croatia | 1 | 6 | 2 | 0 | 0 | 9 |
| Czechoslovakia | 0 | 103 | 4 | 0 | 2 | 109 |
| Denmark | 5 | 145 | 42 | 0 | 0 | 192 |
| Dominican Republic | 0 | 0 | 1 | 0 | 0 | 1 |
| East Prussia | 0 | 2 | 3 | 0 | 0 | 5 |
| Ecuador | 0 | 1 | 1 | 0 | 0 | 2 |
| England | 3453 | 809 | 933 | 111 | 61 | 5367 |
| Estonia | 0 | 21 | 2 | 0 | 0 | 23 |
| Finland | 0 | 112 | 10 | 0 | 0 | 122 |
| Flanders | 1 | 2 | 5 | 0 | 0 | 8 |
| France | 41 | 539 | 217 | 10 | 6 | 813 |
| Germany | 164 | 1338 | 441 | 58 | 25 | 2026 |
| Greece | 0 | 4 | 0 | 0 | 0 | 4 |
| Guernsey | 1 | 0 | 1 | 0 | 0 | 2 |
| Holland | 16 | 231 | 76 | 1 | 0 | 324 |
| Hong Kong | 1 | 2 | 1 | 0 | 0 | 4 |
| Hungary | 3 | 64 | 14 | 0 | 0 | 81 |
| Iceland | 0 | 18 | 2 | 0 | 0 | 20 |
| India | 7 | 3 | 5 | 0 | 2 | 17 |
| Ireland | 98 | 29 | 11 | 3 | 3 | 144 |
| Isle-of-Man | 3 | 0 | 0 | 0 | 0 | 3 |
| Israel | 0 | 2 | 0 | 0 | 0 | 2 |
| Italy | 43 | 410 | 136 | 7 | 5 | 601 |
| Japan | 1 | 29 | 0 | 0 | 0 | 30 |
| Java | 0 | 2 | 0 | 0 | 0 | 2 |
| Jersey | 12 | 0 | 1 | 0 | 0 | 13 |
| Korea | 0 | 1 | 0 | 0 | 0 | 1 |
| Latvia | 1 | 36 | 3 | 0 | 0 | 40 |
| Lebanon | 0 | 0 | 2 | 0 | 0 | 2 |
| Liechtenstein | 0 | 0 | 1 | 0 | 0 | 1 |
| Lithuania | 0 | 16 | 1 | 0 | 0 | 17 |
| Luxembourg | 0 | 3 | 0 | 0 | 0 | 3 |
| Malaya | 0 | 0 | 0 | 0 | 1 | 1 |
| Malta | 0 | 3 | 0 | 0 | 0 | 3 |
| Mexico | 0 | 11 | 0 | 0 | 0 | 11 |
| Minorca | 1 | 0 | 0 | 0 | 0 | 1 |
| Monaco | 0 | 1 | 0 | 0 | 0 | 1 |
| Moravia | 1 | 17 | 7 | 0 | 0 | 25 |
| New Zealand | 7 | 27 | 10 | 0 | 1 | 45 |
| Nigeria | 1 | 2 | 2 | 0 | 0 | 5 |
| Norway | 2 | 130 | 28 | 0 | 2 | 162 |
| Palestine | 0 | 1 | 0 | 0 | 0 | 1 |
| Panama | 0 | 1 | 0 | 0 | 0 | 1 |
| Philippines | 0 | 2 | 0 | 0 | 0 | 2 |
| Poland | 2 | 97 | 3 | 0 | 1 | 103 |
| Portugal | 1 | 11 | 3 | 0 | 0 | 15 |
| Prussia | 1 | 0 | 0 | 0 | 0 | 1 |
| Romania | 0 | 24 | 0 | 0 | 0 | 24 |
| Russia | 2 | 102 | 5 | 0 | 1 | 110 |
| Scotland | 202 | 43 | 26 | 3 | 5 | 279 |
| Sicily | 0 | 7 | 0 | 0 | 0 | 7 |
| Slovakia | 0 | 4 | 1 | 0 | 0 | 5 |
| Slovenia | 0 | 3 | 1 | 0 | 0 | 4 |
| South Africa | 14 | 15 | 2 | 0 | 0 | 31 |
| Spain | 14 | 148 | 65 | 0 | 1 | 228 |
| Sumatra | 1 | 0 | 0 | 0 | 0 | 1 |
| Sweden | 2 | 291 | 48 | 1 | 0 | 342 |
| Switzerland | 8 | 174 | 35 | 0 | 4 | 221 |
| Taiwan | 0 | 2 | 0 | 0 | 0 | 2 |
| Tanganyika | 0 | 1 | 0 | 0 | 0 | 1 |
| Trinidad | 1 | 0 | 0 | 0 | 0 | 1 |
| Turkey | 1 | 3 | 0 | 0 | 0 | 4 |
| U.S.A. | 147 | 906 | 322 | 4 | 17 | 1396 |
| U.S.S.R. | 0 | 6 | 1 | 0 | 0 | 7 |
| Uganda | 1 | 0 | 0 | 0 | 0 | 1 |
| Ukraine | 1 | 12 | 0 | 0 | 0 | 13 |
| Uruguay | 0 | 2 | 0 | 0 | 0 | 2 |
| Uzbekistan | 0 | 2 | 0 | 0 | 0 | 2 |
| Venezuela | 0 | 0 | 1 | 0 | 0 | 1 |
| Vietnam | 0 | 3 | 0 | 0 | 0 | 3 |
| Wales | 165 | 30 | 19 | 0 | 1 | 215 |
| Yugoslavia | 0 | 18 | 0 | 0 | 0 | 18 |
| Array | 1 | 20 | 3 | 0 | 2 | 26 |
| Unknown | 1472 | 1342 | 109 | 330 | 145 | 3398 |
| Total | 5969 | 7973 | 2783 | 535 | 304 | 17564 |